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Unread 12-21-2013, 09:41 AM   #1
sheepherder
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Originally Posted by zormpas View Post
Ok, did another measurement - the case diameter directly in front of the groove .412". Yea, I do see the .407" on the HL page - if its any help at all, the 'Rim Diameter' dimension 'D' is .412" on my example also - shown as .417" in the diagram.

This ammo is reputed to feed and shoot well, but as I have yet to try it myself in my weapon, all bets are off! Goddess only knows the provenance of the brass.
Zorba -

Thanks for your measurements! They made me think (always a dangerous act)!!!

OK, I've got it now...I've been looking at my '8mm Nambu' cartridge as being original Japanese issue, or at least Western Cartridge Company clone...Now I realize I have a reformed military 5.56mm [M16] cartridge with a 102gr - .320" lead bullet...The headstamp should have been immediately obvious...



In a way, that's good. It looks right and according to at least one online article will function correctly.

But it means that I got ripped off back in 1977 or so! I've got half a mind to look that nefarious dealer up and demand my dollar back!!!

But I need a 'template' so I can sort through the junk box at my LGS and pull out other suitable candidates for re-forming. The list of donor cases is getting pretty long. Now I read that .357 Sig will work as well as 30 Remington, 30-30 Winchester, 38 Special/.357 Magnum, 38 Super, .223 Remington, and 41 Colt Long. 32 Remington and 375 Winchester can be used if they are swaged in a 30-30 sizing die before forming...Some need the rim trimmed and an extractor groove cut, but those are easy on a lathe.
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Last edited by sheepherder; 12-21-2013 at 03:54 PM.
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Unread 12-21-2013, 01:37 PM   #2
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But it means that I got ripped off back in 1977 or so! I've got half a mind to look that nefarious dealer up and demand my dollar back!!!
I think your warranty has expired...
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Unread 12-22-2013, 06:47 PM   #3
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After all the talk about Nambus, I just had to get one!

I can't stay...My generator keeps conking out...and I need it to run my furnace...It's up to 55º now...
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Unread 12-22-2013, 07:55 PM   #4
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[QUOTE=sheepherder;246622]After all the talk about Nambus, I just had to get one!

I can't stay...My generator keeps conking out...and I need it to run my furnace...It's up to 55º now... [/QUOTE

Did you have bad storm over there?

If it's a gasoline generator, try running non-ethanol gas if not the highest pump gas 93 octane. Anything else in mine runs like, well you get the picture.

Congrats on the Nambu!
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Unread 12-22-2013, 08:06 PM   #5
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Did you have bad storm over there?

If it's a gasoline generator, try running non-ethanol gas if not the highest pump gas 93 octane. Anything else in mine runs like, well you get the picture.
Ice storm last night; roads closed, transformers blowing up, power lines down, entire city & town of Lockport still without power. I had to hack into my furnace wiring and sacrifice an extension cord to run the furnace. I can run the PC but it's really sluggish...

Yeah, the generator kept sputtering out on me. Some dry gas cleared it up, it's much better now. ALL gas around here is 10% - 15% ethanol. Phone lines are good, so evidently no poles down.

My dog likes her sweater. 65º now!
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Unread 12-22-2013, 08:24 PM   #6
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[QUOTE=sheepherder;246626]Ice storm last night; roads closed, transformers blowing up, power lines down, entire city & town of Lockport still without power. I had to hack into my furnace wiring and sacrifice an extension cord to run the furnace. I can run the PC but it's really sluggish...

Yeah, the generator kept sputtering out on me. Some dry gas cleared it up, it's much better now. ALL gas around here is 10% - 15% ethanol. Phone lines are good, so evidently no poles down.

My dog likes her sweater. 65º now! [/QUOT

Best Wishes to you and a speedy recovery on the power.
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Unread 12-22-2013, 08:40 PM   #7
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Originally Posted by sheepherder View Post
After all the talk about Nambus, I just had to get one!

I can't stay...My generator keeps conking out...and I need it to run my furnace...It's up to 55º now...
lets not forget about the little guy!
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Unread 12-22-2013, 08:57 PM   #8
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After all the talk about Nambus, I just had to get one!
Is this one matching?
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Unread 12-22-2013, 09:24 PM   #9
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Is this one matching?
I won't know for another 2 or 3 weeks.

He say it do..."Very neat pistol, matching with matching magazine"...Comes with odd 'shipping case'...Ever see anything like this??? [pic]

68º...Lost a degree on the gas refill...
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Last edited by sheepherder; 12-22-2013 at 10:11 PM.
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